Physician Profile
Irene Tsai, M.D.
Unclaimed ProfileAbout Dr. Tsai
Irene Tsai, M.D. practices diagnostic radiology in Orange, CA. According to Medicare claims data, Irene cared for 1,824 Medicare patients across 2,287 services. The services billed most often include injection, gadobutrol, 0.1 ml, screening mammography, and screening 3d breast mammography.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 456-2235
- Email not available
Practice Locations
101 THE CITY DR S BLDG 30
Orange, CA 92868
Ucla Ronald Reagan Medical Ctr 757 Westwood Plaza, Suite 1638
Los Angeles, CA 90095
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
- Uterine fibroids
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
- Carpal tunnel
Pelvic health
Spine
Spine & back
- Scoliosis
- Spinal stenosis
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
- Cardiac magnetic resonance imaging
- CT angiogram
- MR Angiogram
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
2,287 services · 1,824 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of breast and placement of locating device using ultrasound, first growth | Procedure | 19083 |
11 | Less often than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
389 | More often than most peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
389 | More often than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
140 | More often than most peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
140 | More often than most peers in Diagnostic Radiology |
| Complete ultrasound scan of 1 breast | Imaging | 76641 |
100 | More often than most peers in Diagnostic Radiology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
69 | As often as other peers in Diagnostic Radiology |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
69 | More often than most peers in Diagnostic Radiology |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
68 | More often than most peers in Diagnostic Radiology |
| Mri scan of both breasts | Imaging | 77049 |
67 | More often than most peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiologists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other radiologists in Orange 6
Same specialty, same city.
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of breast and placement of locating device using ultrasound, first growth 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Irene Tsai's specialty?
Irene Tsai is a radiologist in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where can I find Irene Tsai?
Irene Tsai is listed at 101 the City Dr S Bldg 30, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Irene Tsai?
The number on file is (714) 456-2235. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Irene Tsai's NPI number?
Irene Tsai's National Provider Identifier is 1447558044. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Irene Tsai's education?
Irene Tsai attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Irene Tsai been practicing?
Irene Tsai has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What is Irene Tsai known for?
According to Medicare billing data, Irene Tsai performs procedures including biopsy of breast and placement of locating device using ultrasound, first growth; reads or performs imaging such as screening mammography and screening 3d breast mammography. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Irene Tsai confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Irene Tsai. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.